Pipe joints or couplings – With assembly means or feature – Particular tool-engaging means or with tool
Patent
1993-08-27
1994-05-17
Nicholson, Eric K.
Pipe joints or couplings
With assembly means or feature
Particular tool-engaging means or with tool
285 92, 285420, 411120, 403 11, 403 19, F16L 3500
Patent
active
053121392
ABSTRACT:
A detachable locking device is described which consists of a pair of standard box end wrenches with shortened handles having integral ears on the ends of the handles with openings therethrough. The wrenches are designed to be retrofittably placed behind the respective connecting nuts on the line termination point adapter assemblies which are to be joined. The preliminary connection and seal are made using conventional means and the connecting nuts are torqued to near their optimum value. The wrench heads of the locking device are then positioned on the nuts so that a connecting bolt can be passed through the openings in the ears on the handles, a nut attached thereto and then tightened to hold and secure the connecting nuts together and prevent the nuts from loosening or seal leaking during the operation of the fluid transmission line.
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Hofer Willard L.
Marks Ernest E.
Micro)n Technology, Inc.
Nicholson Eric K.
Pappas Lia M.
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